%I A112495
%S A112495 3,25,130,546,2037,7071,23436,75328,237127,735813,2260518,6896046,
%T A112495 20933673,63325051,191088976,575625900,1731858075,5206059585,
%U A112495 15640198410,46966732090,140996664733,423191320215,1269993390420
%N A112495 Third column of triangle A112493 used for e.g.f.s of Stirling2 diagonals.
%F A112495 a(n)=3*a(n-1)+ (n+3)*(2^(n+2)-(n+3)), n>=1, a(0)=3.
%F A112495 G.f.:(3-5*x)/(((1-x)^3)*((1-2*x)^2)*(1-3*x))
%Y A112495 Cf. A000295 (second column).
%Y A112495 Sequence in context: A165206 A095664 A099868 this_sequence A034578 A144646 
               A000544
%Y A112495 Adjacent sequences: A112492 A112493 A112494 this_sequence A112496 A112497 
               A112498
%K A112495 nonn,easy
%O A112495 0,1
%A A112495 Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), 
               Oct 14 2005